横向
1
Gas form of a liquid
3
Unit of force
4
Fourth state of matter
6
Smallest unit of an element
7
Our home planet
8
Tissue that contracts for movement
纵向
1
Hottest planet in solar system
2
Blocking of light by a celestial body
4
Particle of light
5
Ball of burning gas in space
6
Substance with pH below 7